We do not offer refunds. Exchange of item will be accepted if the tags are left on and the garnet is unworn.
We recommend you don't, as it is not designed for that purpose.
Yes. Will not shrink or frey.
No. You can wear your Gym-g under any garment for the extra protection. Eg: Jeans, Tights, shorts, dresses. This product is not exclusively for the gym.